Features:- With impact resistance, shock absorption and insulation, the head fits the helmet to ensure perfect comfort and safety- 14 vents, guaranteed to be breathable and dry- With detachable ear cotton, safer and healthierSeason: WinterPackage weight: 0.452 kgProduct Size(L x W x H): 29.00 x 23.00 x 18.00 cm / 11.42 x 9.06 x 7.09 inchesPackage Size(L x W x H): 29.00 x 23.00 x 18.00 cm / 11.42 x 9.06 x 7.09 inchesPackage Contents: 1 x Helmet